/*
 * Copyright 2011 The Rusted Roof, LLC.
 *
 *    Licensed under the Apache License, Version 2.0 (the "License");
 *    you may not use this file except in compliance with the License.
 *    You may obtain a copy of the License at
 *
 *        http://www.apache.org/licenses/LICENSE-2.0
 *
 *    Unless required by applicable law or agreed to in writing, software
 *    distributed under the License is distributed on an "AS IS" BASIS,
 *    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *    See the License for the specific language governing permissions and
 *    limitations under the License.
 */

package org.proteusframework.platformservice.theme.panel;

import org.proteusframework.core.base.Namespace;
import org.proteusframework.core.util.Assert;
import org.proteusframework.platformservice.events.IEventConsumer;

import java.util.List;
import java.util.concurrent.CopyOnWriteArrayList;

/**
 * @author Tacoma Four
 */
public class PanelBlock extends RenderedComponent implements IPanelBlock
{
    protected List<IEventConsumer<PanelBlockEvent>> eventConsumers = new CopyOnWriteArrayList<IEventConsumer<PanelBlockEvent>>();

    public PanelBlock(String id, Object component)
    {
        super(new Namespace(PANEL_NS, id), component);
    }

    @Override
    public IPanelBlock setProperty(String key, String value)
    {
        Assert.parameterNotNull(key, "Parameter 'key' must not be null");
        Assert.parameterNotNull(value, "Parameter 'value' must not be null");
        metadataProperties.setProperty(key, value);
        return this;
    }

    @Override
    public void addEventListener(IEventConsumer<PanelBlockEvent> listener)
    {
        Assert.parameterNotNull(listener, "Parameter 'listener' must not be null");
        eventConsumers.add(listener);
    }

    @Override
    public void removeEventListener(IEventConsumer<PanelBlockEvent> listener)
    {
        eventConsumers.remove(listener);
    }

    @Override
    public void clearEventListeners()
    {
        eventConsumers.clear();
    }

    @Override
    public void fireEvent(PanelBlockEvent event)
    {
        for (IEventConsumer<PanelBlockEvent> consumer : eventConsumers)
        {
            consumer.handleEvent(event);
        }
    }
}
